As usual, courtesy of Cracked Magazine, The 6 Best Towns To Live In (If You Have A Death Wish). You don’t need magic or “gateways to the elemental plane of fire!” to have a twisted Hellscape. Dallol, Ethiopia is my favorite. Acid lakes right below the surface! 148 degree heat! Although the place in Chile where it never rains and the little ground water is poison but the natives are immune is neat too.
These places will definitely have you breaking out the hostile environment modifiers from Sandstorm, Stormwrack, Spires of Xin-Shalast, and the like.